Separation techniques RGSHW - Phoenix Hoyle | Laabri

5

Match the labels

Mmuae Afoforo a Wobɛpaw:

Beaker

Samples

solvent

line in pencil

Chromatography paper

2

Mmuae Afoforo a Wobɛpaw:

above the solvent

in the solvent

6

A
B
C
X
one dot only
two or more dots

Pure sample
Mixture

1

Sample

A
B
C
D

Safe to drink
Not safe to drink

4

Select the correct option.

Note - the more soluble a dye is the further the dot will move.

Note - the more soluble the dye the larger the Rf value will be.

Note - the Rf value can not be more than 1.

Mmuae Afoforo a Wobɛpaw:

False

True

1

Mmuae Afoforo a Wobɛpaw:

1

smaller

more

less

0.5

larger

1

Mmuae Afoforo a Wobɛpaw:

A

3

4

C

2

1

B

1

Mmuae Afoforo a Wobɛpaw:

solvent

dissolve

paper

pencil

4

Mmuae Afoforo a Wobɛpaw:

different

ethanol

is

is not